Finding the Fourth Proportional to 2,016.28, 3,023.88 and 555.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.28 : 3,023.88 = 555.31 : x
2. Step 2: Convert to fraction form
   2,016.28/3,023.88 = 555.31/x
3. Step 3: Cross multiply
   2,016.28x = 3,023.88 × 555.31
4. Step 4: Simplify right side
   2,016.28x = 1,679,190.80
5. Step 5: Solve for x
   x = 1,679,190.80/2,016.28
6. Step 6: Final answer
   x = 832.82